Abstract: A heating apparatus for an enclosure including at least a ceiling and a side wall, the apparatus includes a plurality of electrical resistance heating wires or sections of electrical resistance heating wire, and support means therefor. The support means include support members each having a first part adapted to be secured relative to the ceiling or side wall and a second part which projects inwardly of the enclosure, the second part including a plurality of spaced apart heating wire support formations. The support members and the heating wire support formations are arranged such that in use substantial portions of the length of each of the plurality of the heating wires or sections of heating wire, are supported side by side by the support members each parallel to or generally parallel to each other and to the ceiling or side wall of the enclosure.